Product Instructions

ETOR_2019/02/14
8. Schematic diagram of
peripheral design
Figure 5. Peripheral Circuit Schematic
The IO0/IO2/IO15/EN and RST pins of the module are internally pulled up
and can be powered directly for operation.
The mode of the module can be controlled by controlling the level of
IO0/IO2/IO15, as shown in the following table:
GPIO15
GPIO0
GPIO2
Mode
1
X
X
0
0
1
Uart
Download
0
1
1
Flash Boot